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%I #8 Jan 20 2026 08:44:13
%S 2,16,495,59944,24935002,41465731475
%N Number of mutual-visibility sets in the n X n queen graph.
%H Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/QueenGraph.html">Queen Graph</a>.
%H Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/VisibilityPolynomial.html">Visibility Polynomial</a>.
%K nonn,more
%O 1,1
%A _Eric W. Weisstein_, Dec 14 2025
%E a(6) from _Andrew Howroyd_, Jan 19 2026